Better bird flu vaccine not likely soon

Vietnam, which reported its sixth death due to the avian influenza virus on Saturday, and Thailand are the only countries this year where the avian influenza virus has been passed onto humans.

But the virus has hit millions of chickens in four other countries as well, raising concerns it might mutate, link with regular influenza and foster the next human flu pandemic.

Tap Here to Add The Daily Star As A Trusted Source

The WHO, which said earlier it hoped a vaccine for the disease would be ready in four weeks, said on its Web site that it fears that its forecast that the virus would mutate had come true.